16004080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10529}}^1$

素因数の和:10561

約数の個数: 40

約数和(自身を含む): 39171600

約数和(自身を除く): 23167520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10529, 21058, 42116, 52645, 84232, 105290, 168464, 200051, 210580, 400102, 421160, 800204, 842320, 1000255, 1600408, 2000510, 3200816, 4001020, 8002040, 16004080]

約数ペア:

[(1, 16004080), (2, 8002040), (4, 4001020), (5, 3200816), (8, 2000510), (10, 1600408), (16, 1000255), (19, 842320), (20, 800204), (38, 421160), (40, 400102), (76, 210580), (80, 200051), (95, 168464), (152, 105290), (190, 84232), (304, 52645), (380, 42116), (760, 21058), (1520, 10529)]